Across
- 3. Forces acting on an object are more than 0
- 4. Change in speed, direction, or both
- 6. They run up and down
- 12. Can have 5 different changes to know it happened
- 14. Thick,Low density, & get pushed up at plate boundaries
- 15. they go left to right
- 17. A push or pull & is measured in newtons
- 18. arranged into periods and families
Down
- 1. When plates go underneath each other & goes back into the mantle
- 2. All the continents were connected together as one giant land mass
- 5. Total of all those forces
- 7. An object tendency to remain the same
- 8. distance an object moves
- 9. When plates crash into each other
- 10. boundary
- 11. Very dense & sink back into the mantle at plate boundaries
- 13. valence electrons
- 16. A new solid is formed